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首页> 外文期刊>Chemistry: A European journal >Singly Bonded Monoadduct rather than Methanofullerene: Manipulating the Addition Pattern of Trimetallic Nitride Clusterfullerene through One Endohedral Metal Atom Substitution
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Singly Bonded Monoadduct rather than Methanofullerene: Manipulating the Addition Pattern of Trimetallic Nitride Clusterfullerene through One Endohedral Metal Atom Substitution

机译：单键单加合物而不是甲基富勒烯：通过一个内表面金属原子取代操纵三金属氮化物簇富勒烯的加成模式

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摘要

Bingel-Hirsch reactions of trimetallic nitride clusterfullerenes (NCFs) generally yield methanofullerene (cyclopropane) adducts instead of singly bonded derivatives, which have been reported for monometallofullerenes. Herein, we report the synthesis and characterization of the Bingel-Hirsch derivative of a mixed metal nitride clusterfullerene (MMNCF) TiY2N@I-h-C-80. Surprisingly, in contrast to the reported Bingel-Hirsch cyclopropane adducts of the analogous NCF Y3N@I-h-C-80, the Bingel-Hirsch derivative of TiY2N@I-h-C-80 is the first singly bonded monoadduct (labeled as TiY2N@C-80-Mono) to be reported, which was determined unambiguously by single-crystal X-ray crystallography. Besides, the reactivity of TiY2N@I-h-C-80 was found to be significantly improved relative to that of Y3N@I-h-C-80. Upon substituting one endohedral yttrium (Y) atom of Y3N@I-h-C-80 with titanium (Ti), the Bingel-Hirsch derivative changes from the cyclopropane to the singly bonded monoadduct, revealing that not only the reactivity but also the addition pattern of NCFs can be manipulated simultaneously through one endohedral metal atom substitution.
机译：三金属氮化物簇富勒烯（NCF）的Bingel-Hirsch反应通常会生成甲亚甲基富勒烯（环丙烷）加合物，而不是单键衍生的衍生物，后者已报道用于单金属富勒烯。在这里，我们报告的合成和表征的混合金属氮化物簇富勒烯（MMNCF）TiY2N @ I-h-C-80 Bingel-Hirsch衍生物。出乎意料的是，与报道的类似NCF Y3N @ IhC-80的Bingel-Hirsch环丙烷加合物相反，TiY2N @ IhC-80的Bingel-Hirsch衍生物是第一个单键单加合物（标记为TiY2N @ C-80-Mono）有待报道，这是通过单晶X射线晶体学确定的。此外，发现TiY2N @ I-h-C-80的反应性相对于Y3N @ I-h-C-80显着提高。用钛（Ti）取代Y3N @ IhC-80的一个内表面钇（Y）原子后，Bingel-Hirsch衍生物从环丙烷变为单键单加合物，这不仅表明NCF的反应性而且其添加方式都可以通过一个内面金属原子取代同时被操纵。

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